7216716688 has 40 divisors (see below), whose sum is σ = 14229669600.
Its totient is φ = 3544633344.
The previous prime is 7216716679. The next prime is 7216716713. The reversal of 7216716688 is 8866176127.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2536995 + ... + 2539837.
It is an arithmetic number, because the mean of its divisors is an integer number (355741740).
Almost surely, 27216716688 is an apocalyptic number.
It is an amenable number.
7216716688 is a deficient number, since it is larger than the sum of its proper divisors (7012952912).
7216716688 is a wasteful number, since it uses less digits than its factorization.
7216716688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5599 (or 5593 counting only the distinct ones).
The product of its digits is 1354752, while the sum is 52.
The square root of 7216716688 is about 84951.2606616288.
The cubic root of 7216716688 is about 1932.4720386541.
The spelling of 7216716688 in words is "seven billion, two hundred sixteen million, seven hundred sixteen thousand, six hundred eighty-eight".